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Document Type and Number:
Japanese Patent JPS4896220
Kind Code:
U
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Application Number:
JP2048173U
Publication Date:
November 15, 1973
Filing Date:
February 16, 1973
Export Citation:
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International Classes:
B21C37/08; B23K13/02; B23K13/08; (IPC1-7): B23K13/02



 
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